Kroh, A.; Mooi, R. (2021). World Echinoidea Database. Toxocidaris franciscanus A. Agassiz, 1863. Accessed at: http://www.marinespecies.org/echinoidea/aphia.php?p=taxdetails&id=765976 on 2025-04-24
basis of recordHertlein, L. G. & Grant, U. S. I. 1960. The geology and paleontology of the marine Pliocene of San Diego, California. Part 2a, Paleontology (Coelenterata, Bryozoa, Brachiopoda, Echinodermata). Memoirs of the San Diego Society of Natural History 2a, 73-133, available online athttp://www.biodiversitylibrary.org/ia/memoirsofsandieg219441972sand#page/7/mode/1up page(s): 111 (erroneous citation in synonymy list) [details]
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